Flight recorder from Russian plane crash in Black Sea found

Ministry of Emergency Situations employees search for bodies by a boat in the waters in the Black Sea, off Sochi, Russia, Monday, Dec. 26, 2016. All 84 passengers and eight crew members on the Russian military's Tu-154 plane are believed to have died Sunday morning when it crashed two minutes after taking off from the southern Russian city of Sochi. (AP Photo/Viktor Klyushin)

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On Sunday, the TU-154 aircraft holding 84 passengers, including members of Russia's world-famous military choir, and crew members crashed just two minutes after taking off in Sochi.

According to the defense ministry, the “black box” is expected to immediately be flown to Moscow.

While the official cause of the crash has not been determined, certain aviation experts noted that the crew’s failure to communicate any technical issues as well as the expansive area over which the plane’s fragments were discovered could be the result of an explosion, reported the Associated Press.

Russia's main domestic security and counter-terrorism agency, the FSB, said it has found "no indications or facts pointing at the possibility of a terror attack or an act of sabotage on board the plane."

The FSB said that investigators are looking into bad fuel, pilot error, foreign objects stuck in the engines or equipment failure.